diff --git a/package.json b/package.json
index d9bd27c2..eca88b32 100644
--- a/package.json
+++ b/package.json
@@ -148,7 +148,7 @@
     "ts-node": "^8.10.2",
     "tslint": "^5.11.0",
     "typescript": "^4.1.2",
-    "vscode-languageserver-types": "^3.14.0"
+    "vscode-languageserver-types": "^3.17.5"
   },
   "dependencies": {
     "date-fns": "^2.0.0-alpha.24",
diff --git a/yarn.lock b/yarn.lock
index 5d3b1502..6fb2992c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7529,10 +7529,10 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
-vscode-languageserver-types@^3.14.0:
-  version "3.14.0"
-  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.14.0.tgz#d3b5952246d30e5241592b6dde8280e03942e743"
-  integrity sha512-lTmS6AlAlMHOvPQemVwo3CezxBp0sNB95KNPkqp3Nxd5VFEnuG1ByM0zlRWos0zjO3ZWtkvhal0COgiV1xIA4A==
+vscode-languageserver-types@^3.17.5:
+  version "3.17.5"
+  resolved "https://registry.yarnpkg.com/vscode-languageserver-types/-/vscode-languageserver-types-3.17.5.tgz#3273676f0cf2eab40b3f44d085acbb7f08a39d8a"
+  integrity sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg==
 
 w3c-hr-time@^1.0.1:
   version "1.0.1"